Answer:
14.7 A
Step-by-step explanation:
The magnitude current flowing in a conductor is given by

where
Q is the total charge
t is the time interval
The total charge passing through a point in the conductor can be written as

where
n is the density of free electrons
A is the cross-sectional area of the conductor
is the electron charge
d is the length of the conductor
The time interval can be written as

where
d is the length of the conductor
is the drift velocity of the electrons
Re-arranging the three equations, we get:

For the copper wire here we have:


The diameter is 1.676 mm, so the area is

So, the current in the wire is
